JP2002244936A - Managing system for working machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problems on a conventional managing system for a working machine that much time and cost are disadvantageously required because both softwares on data transmission and reception sides should be independently made corresponding to data information and communication protocols. SOLUTION: Working data for a working machine, recorded by a data recording part 2, is converted into HTML by a data conversion and transmission part 3 and transmitted to a protocol converter 5 with a non-sequence protocol. The working data converted into TCP/IP by the protocol converter 5 is transmitted to communication network 7 by a transmitter 6. Data entering into the communication network 7 arrives at a router 10 via a communication line 9 and is received from the router 10 via a LAN card 11 by a personal computer 8. The working data received by the personal computer 8 is displayed on a monitor 13 after its information is interpreted by a WWW browser 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work machine management system that collects operation data of work machines such as construction machines and performs maintenance management of the work machines.

[0002]

2. Description of the Related Art Conventionally, as such a work machine management system, there is known a technique of acquiring various data relating to the operation state of a work machine by communication using a public line from a place remote from the work machine. And, for example,
No. 3,305,539.

In realizing such a technology, a work machine on the data transmission side is provided with various detection devices for detecting an operation state, and a storage device for storing the detected various data and a public device for storing the stored various data. A communication device for transmitting data using a line, software for controlling the storage device and the communication device, and the like are incorporated. Also, a personal computer (hereinafter, referred to as a personal computer) on the receiving side of the data is provided with software for performing control such as receiving the above various data and displaying the received data on a monitor in a state where it can be easily analyzed. Be incorporated.

[0004]

However, in the above-mentioned conventional work machine management system, each software installed in the transmission side and the reception side requires the transmission side and the reception side in accordance with the contents of the data to be transmitted and the communication protocol. Both sides had to create their own exclusive ones. For this reason, when such new software is created, a great deal of time and money are spent, and profits are spoiled.

Further, when the contents of the acquired data and the communication protocol need to be changed or added, it is necessary to change and modify the software on both the transmitting side and the receiving side in accordance with the contents. Therefore, every time an addition or change is made, a great deal of time and money is again spent. Further, when a software change occurs, it is necessary to match the contents of the software on both the transmitting side and the receiving side, and it is necessary to constantly manage whether or not both softwares are compatible. .

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and is a data recording means for inputting and recording operation data of a work machine from various detectors attached to the work machine. Data conversion means for converting the operation data recorded in the data recording means into a predetermined language used in a computer network, and converting the operation data document-converted by the data conversion means into a computer network using a predetermined communication protocol. And a receiving and displaying means for displaying the operation data received by the communication protocol via the computer network by using general-purpose browsing software, to constitute a work machine management system.

In such a configuration, the operation data received via the computer network is displayed by the reception display means using general-purpose browsing software. Therefore, only the software on the transmission side needs to be created for exclusive use.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment in which a work machine management system according to the present invention is applied to a construction machine management system will be described.

FIG. 1 is a block diagram showing the configuration of a construction machine management system according to this embodiment. Controller 1
Is provided in the construction machine to be maintained and managed, and includes a data recording unit 2, a data conversion transmission unit 3, and dedicated software 4.

The data recording unit 2 inputs and records operation data of the construction machine from various detectors attached to the construction machine. The types of the operation data include "data for investigating how the construction machine is used", "detection signal data of various detectors attached to the construction machine", "failure occurrence data", and the like. The data conversion transmission unit 3 converts the operation data recorded in the data recording unit 1 into HTML (HyperText Markup Language) used for the Internet.
And sends it to the protocol conversion device 5 using a nonprocedural protocol.

The Internet uses TCP / IP (Transm
This is a network that connects computer networks based on ission Control Protocol / Internet Protocol) on a worldwide scale. TCP / IP is a protocol used for connecting a variety of computer networks, and is standardly used on the Internet. HTML is also a World Wide Web (WWW).
eb) is a language for defining the structure of hypertext, and WWW is a client / server type information retrieval system provided on the Internet.

The dedicated software 4 is designed exclusively for controlling the data recording unit 2 and the data conversion transmitting unit 3 for the purpose of maintenance management of construction machines.

The protocol conversion device 5 has a function of converting the nonprocedural protocol and TCP / IP to and from each other. Send out. Transmitter 6
Has a function of linking to the communication network 7 by TCP / IP. The communication network 7 is a wireless network compatible with TCP / IP, for example, the Internet. here,
The protocol conversion device 5 and the transmitter 6 constitute communication means for transmitting the operation data converted by the data conversion transmission unit 3 to the communication network 7 by TCP / IP.

A personal computer 8 that collects various operation data of construction machines on a ground line is connected to a communication network 7 by a communication line 9 via a router 10. Router 10
Is a device that selects the most efficient communication path for data transfer and connects between a plurality of LANs (Local Area Networks), and has a dial-up function to the communication line 9,
The settings required for connection to the communication network 7 have been made. This router 10 is a LAN card 1 incorporated in a personal computer 8.
1 is connected to a personal computer 8. That is, the controller 1 and the personal computer 8 are connected via the communication network 7 and can communicate with each other via the most efficient communication path.

A WWW browser 12 is installed in the personal computer 8, and the personal computer 8 displays operation data received by TCP / IP via the communication network 7 on its monitor 13 using the WWW browser 12. Means. The WWW browser 12 uses the WWW described above.
Is a general-purpose software for browsing and interpreting the contents of HTML files provided by the Internet. HTTP (HyperText Tr
ansfer Protcol). The WWW browser 12 recognizes an HTML document.

In such a configuration, the controller 1
When the power is turned on, the data recording unit 2 reads detection signals from various detectors, and starts recording operation data of the construction machine. The recorded operation data is sent to the data conversion transmission unit 3 and converted into HTML. At the same time, the data conversion transmission unit 3 transmits a link request to the communication network 7 to the protocol conversion device 5 using a non-procedural protocol. This transmission request is converted from the non-procedural protocol to TCP / IP by the protocol converter 5 and the
Sent to Upon receiving the link request, the transmitter 6 transmits
/ IP is linked to the communication network 7. The controller 1 waits for a data transmission request from the personal computer 8 in this state where the transmitter 6 is linked to the communication network 7.

The data transmission request from the personal computer 8 is generated when a predetermined address is specified after the personal computer 8 is turned on and the WWW browser 12 is started. The generated data transmission request is sent to the LAN card 1
1 arrives at the router 10. The router 10 dials up the communication line 9 to select a communication path, and connects the personal computer 8 to the communication network 7. As a result, the data transmission request reaches the data conversion transmission unit 3 via the transmitter 6 and the protocol conversion device 5.

Upon receiving the data transmission request, the data conversion transmission unit 3 transmits the requested operation data to the protocol conversion device 5 in a non-procedural protocol in HTML. The transmitted operation data is transmitted to the protocol
It is converted to P / IP and sent to the transmitter 6. The transmitter 6 transmits the operation data to the communication network 7 by TCP / IP.
The data that has entered the communication network 7 reaches the router 10 via the communication line 9 and reaches the personal computer 8 from the router 10 via the LAN card 11. The personal computer 8 displays the contents of the received operation data on its monitor 13 using the WWW browser 12.

As described above, in the construction machine management system according to the present embodiment, the operation data received via the communication network 7 is displayed by the personal computer 8 using the WWW browser 12 which is general-purpose viewing software. You. Therefore, there is no need to newly provide the data receiving side dedicated software corresponding to the data transmitting side dedicated software 4 in the personal computer 8. In the construction machine management system according to the present embodiment, only the transmitting side software 4 is dedicated. You just need to create something.

For this reason, in the development of control software compatible with TCP / IP for the purpose of maintenance management of construction machines, the development of software on the receiving side is omitted, and the development time and development cost are reduced. It becomes possible. Also, if the content of the acquired data or the communication protocol needs to be changed or added, only the software 4 on the data transmission side will be modified. According to the present embodiment, the number is reduced by half. Further, when the software 4 is changed, it is not necessary to make the contents of the software on both the transmitting side and the receiving side different from each other as in the related art.
The management of the software 4 becomes easy.

In this embodiment, the communication path until the operation data converted to TCP / IP by the protocol converter 5 reaches the router 10 is determined by the transmitter 6
The operation data transmitted to the communication network 7 by the
To reach the router 10 via the. But,
The present invention is not limited to such a configuration. As a communication path of various data between the protocol conversion device 5 and the router 10, any communication path may be used as long as the communication path corresponds to TCP / IP.
In such a case, the same operation and effect as in the above embodiment can be obtained.

[0022]

As described above, in the present invention,
The operation data received via the computer network is displayed by the reception display means using general-purpose viewing software. Therefore, only the software on the transmission side needs to be created for exclusive use.

For this reason, the time required to create new software, or the need to change or add to the content of acquired data or the communication protocol, etc., is reduced, and the time required to create software is reduced. Costs are reduced. Further, when the software is changed, it is not necessary to make the contents of the software on both the transmitting side and the receiving side coincide, and the management of the software becomes easy.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a work machine management system according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Controller 2 ... Data recording part 3 ... Data conversion transmission part 4 ... Dedicated software 5 ... Protocol conversion device 6 ... Transmitter 7 ... Communication network 8 ... Personal computer 9 ... Communication line 10 ... Router 11 ... LAN card 12 ... WWW browser 13. Monitor

Claims (2)

[Claims] 1. A data recording means for inputting and recording operation data of a work machine from various detectors attached to the work machine, and a predetermined data used in a computer network for recording the operation data recorded in the data recording means. A data conversion unit for converting a document into a language, a communication unit for transmitting the operation data converted into a document by the data conversion unit to a computer network by a predetermined communication protocol, and the data received by the communication protocol via a computer network. A work machine management system comprising: reception display means for displaying operation data using general-purpose viewing software. 2. The computer network is the Internet, the predetermined language to be converted into a document by the data conversion means is HTML that defines a hypertext structure used in WWW, and the predetermined language used by the communication means for transmission. 2. The work machine management system according to claim 1, wherein the communication protocol is TCP / IP, and the general-purpose browsing software used by the receiving and displaying means is a WWW browser.